#!/usr/local/bin/ksh93 -p
# vim: filetype=sh
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License (the "License").
# You may not use this file except in compliance with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or http://www.opensolaris.org/os/licensing.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
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# CDDL HEADER END
#

#
# Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
# Use is subject to license terms.


#
# A function to determine if a given pool name has an entry in cachefile
# returns 1 if the pool is not in the cache, 0 otherwise.
function pool_in_cache {

	# checking for the pool name in the strings output of
	# the given cachefile, default is /etc/zfs/zpool.cache
	typeset cachefile=${2:-$CPATH}

	if [[ -f $cachefile ]]; then
		RESULT=$($STRINGS $cachefile | $GREP -w $1)
		if [ -z "$RESULT" ]
		then
			return 1
		fi
		return 0
	else
		return 1
	fi
}
